The product allows to regulate the humidity in a gradual way to the desired value, without need of electric current and for a long time. When the humidity is raised inside a closed space the device gradually absorbs the excess. Otherwise, Propadyn expels moisture. In this way you can always keep the same humidity.
It is a product that can be in contact with food as it is made by food ingredients. It is also a bio compatible and regenerable product.
A suitable solution to control humidity without the need for electrical connection.